The NEOS Voyager™ Mid Overshoe has a 500 denier nylon upper with waterproof membrane. Also features a perma outsole which offers good traction in tough weather conditions. These VNN1 NEOS Overshoes are lightweight to prevent foot and leg fatigue. They have a wide, easily opened gusset providing ease in putting on or taking off overshoes. Note: The NEOS Voyager Overshoes are more durable and deeper traction than the NEOS Villager.